inflammatory vs incendiary

inflammatory is not a noun while incendiary is a noun.

Word	Noun	Adjective	Verb	Adverb
inflammatory	No	Yes	No	No
incendiary	Yes	Yes	No	No

As adjectives, inflammatory and incendiary are synonyms defined as:

Other synonyms of inflammatory include incitive, instigative, rabble-rousing, seditious.

inflammatory (noun)	incendiary (noun)
	a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)
	a criminal who illegally sets fire to property

inflammatory (adjective)	incendiary (adjective)
arousing to action or rebellion	involving deliberate burning of property
characterized or caused by inflammation	capable of catching fire spontaneously or causing fires or burning readily
	arousing to action or rebellion